If you are locked out of an S7-200, Siemens provides official recovery paths. Note that these methods generally involve to regain control of the hardware. 1. The "CLEARPLC" Universal Reset
Follow the specific LED sequence (typically waiting for the Stop LED to flash) to confirm the reset. Risks of Third-Party "Cracking" Software Siemens S7-200 Password Unlock
It deletes the user program, data blocks, and configuration information. If you are locked out of an S7-200,
